Unsaturated
Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms. > Other polyesters: > Unsaturated > Unsaturated
Duty Rate (from China)
Products classified under Tariff item 3907.91.00.00
Allyl Diglycol Carbonate Resin Flakes
CR-39 monomer resin (allyl diglycol carbonate) in flake primary form for optical lens casting. This unsaturated allyl polyester resin falls under tariff item 3907.91.00 as an uncompounded allyl resin with over 95% named monomer units.
3907.91.00Allyl Methacrylate Ester Copolymer Resin
Copolymer resin of allyl methacrylate unsaturated polyester in primary liquid form for dental composites. It fits tariff item 3907.91.00 as an allyl resin where allyl units meet the 95% threshold per the chapter notes.
3907.91.00Allyl Phenol Formaldehyde Hybrid Resin
Hybrid unsaturated allyl-modified phenolic polyester resin in primary form for electrical laminates. Tariff item 3907.91.00 applies as an allyl polyester where allyl exceeds other monomers by the note criteria.
3907.91.00Casting Unsaturated Polyester Resin
Low-viscosity unsaturated polyester resin designed for casting cultured marble countertops and decorative solid surfaces. It is in liquid primary form and qualifies as an unsaturated polyester under tariff item 3907.91.00, with the predominant monomer being unsaturated.
3907.91.00Clear Polyester Casting Resin
Crystal-clear unsaturated polyester resin used for embedding objects in paperweights and art sculptures. It is in primary liquid form and classified under tariff item 3907.91.00 as an unsaturated polyester, following monomer predominance rules.
3907.91.00Diallyl Isophthalate Resin Granules
Unsaturated polyester resin based on diallyl isophthalate in granular primary form for high-performance composites. It falls under tariff item 3907.91.00 as an allyl resin due to the allyl ester structure and over 95% qualifying monomer content.
3907.91.00Diallyl Phthalate Resin Pellets
Diallyl phthalate (DAP) resin in primary pellet form, an unsaturated polyester allyl resin used for molding compounds in electrical insulators. It is classified under tariff item 3907.91.00 as an allyl resin meeting the 95% monomer rule.
3907.91.00Divinylbenzene Allyl Copolymer Granules
Cross-linked unsaturated polyester copolymer of divinylbenzene and allyl esters in granule form for ion exchange resins. Tariff item 3907.91.00 applies to such allyl-dominant primary polymers.
3907.91.00Gelcoat Unsaturated Polyester Resin
Thixotropic unsaturated polyester resin formulated as a gelcoat for surface finishes on fiberglass reinforced plastics in marine and RV applications. It is in primary form and classified under tariff item 3907.91.00 as an unsaturated polyester.
3907.91.00High-Reactivity Unsaturated Polyester Resin
Fast-cure unsaturated polyester resin for production line spray and hand lay-up of truck caps and enclosures. It is in primary liquid form and classified under tariff item 3907.91.00 as an unsaturated polyester, per predominant comonomer weight rules.
3907.91.00Iso-NPG Unsaturated Polyester Resin
Neopentyl glycol (NPG) modified isophthalic unsaturated polyester resin for corrosion-resistant panels and tanks. It is in primary form and classified under tariff item 3907.91.00 as an unsaturated polyester, with NPG units predominant but not exceeding 95%.
3907.91.00Marine-Grade Unsaturated Polyester Resin
Iso-polyester resin variant with enhanced water resistance for boat building and underwater composites. It is in primary liquid form and classified under tariff item 3907.91.00 as an unsaturated polyester, based on predominant comonomer weight.
3907.91.00Methallyl Acrylate Allyl Resin Pellets
Thermosetting pellets of methallyl acrylate-allyl copolymer, an unsaturated polyester for encapsulation. It is classified under tariff item 3907.91.00 as an allyl resin per the 95% rule.
3907.91.00Orthophthalic Unsaturated Polyester Resin
Standard orthophthalic (ortho) unsaturated polyester resin for general purpose FRP like shower stalls and truck beds. It is in bulk primary form and classified under tariff item 3907.91.00 as an unsaturated polyester, based on monomer-based classification.
3907.91.00Pentaerythritol Tetraallyl Ether Resin Beads
Unsaturated polyester allyl resin from pentaerythritol tetraallyl ether in bead primary form for UV-curable coatings. Tariff item 3907.91.00 applies as an allyl resin meeting the polymer content rules in the subheading notes.
3907.91.00Pure Uncompounded Triallyl Cyanurate Resin
Pure uncompounded triallyl cyanurate resin in primary form, used as a cross-linking agent for rubbers and composites. This unsaturated polyester resin falls under tariff item 3907.91.00 as it is an uncompounded allyl resin where allyl units constitute 95% or more by weight.
3907.91.00Spray-Up Unsaturated Polyester Resin
Medium-reactivity unsaturated polyester resin optimized for spray-up fabrication of large FRP parts like tubs and pools. It is in primary liquid form and classified under tariff item 3907.91.00 as an unsaturated polyester, per weight-based polymer rules.
3907.91.00Tetraallyloxyethane Polymer Resin
Multi-allyl functional unsaturated polyester from tetraallyloxyethane in primary syrup form for potting compounds. It is classified under tariff item 3907.91.00 as an allyl resin meeting the polymer definition.
3907.91.00Triallyl Cyanurate Resin Powder
Triallyl cyanurate (TAC) thermoset polyester resin in powder form, used as a cross-linking agent in molding compounds. The allyl groups constitute over 95% of the polymer content, classifying it as an unsaturated polyester in primary forms under tariff item 3907.91.00.
3907.91.00Uncompounded Allyl Diglycol Carbonate Resin
Uncompounded allyl diglycol carbonate resin (CR-39) in primary form, the base material for optical lenses and eyewear. This unsaturated polyester resin is classified under tariff item 3907.91.00 as an uncompounded allyl resin with allyl units exceeding 95% by weight.
3907.91.00Uncompounded Allyl Ester Polyester Resin Grade A
Industrial grade A uncompounded allyl ester polyester resin in primary flake form, used for molding electrical components. This unsaturated polyester resin qualifies under tariff item 3907.91.00 as an uncompounded allyl resin with qualifying monomer content.
3907.91.00Uncompounded Allyl Resin Diallyl Phthalate
Diallyl phthalate (DAP) resin in primary, uncompounded form, a thermosetting unsaturated polyester allyl resin used for molding compounds in electrical insulators. It falls under tariff item 3907.91.00 as an uncompounded allyl resin.
3907.91.00Uncompounded Allyl Resin for Electrical Laminates
Specialty uncompounded allyl resin formulated for electrical grade laminates and circuit boards, supplied in primary powder form. This unsaturated polyester resin falls under tariff item 3907.91.00 as an uncompounded allyl polyester resin with over 95% allyl content.
3907.91.00Uncompounded Diallyl Isophthalate Allyl Resin
Diallyl isophthalate (DAIP) resin, an uncompounded allyl polyester in primary granular form, used in high-performance composites for aerospace. Tariff item 3907.91.00 applies as the allyl monomer units exceed 95% by weight.
3907.91.00Unsaturated Polyester Resin for Fiberglass
Liquid unsaturated polyester resin in primary form used as a base for composite materials in boat hulls and automotive parts. It is classified under tariff item 3907.91.00 as an unsaturated polyester, not specifically named elsewhere in the subheading.
3907.91.00Vinyl Ester Pre-Polymer Resin
Methacrylate-capped unsaturated polyester pre-polymer known as vinyl ester for chemical tanks and pipes. It is technically an unsaturated polyester derivative in primary form and classified under tariff item 3907.91.00 as 'other' since it does not meet specific subheading criteria.